Exam 5: Local Area Networks

Esteban has decided to install a computer network in his home. He knows he can choose wired or wireless and that there are differences in transmission speed and security. -Esteban decides to install a wireless network.Which LAN technology will he most likely choose?

-In the accompanying figure,the item on the left can be used with a notebook or desktop computer.

Ethernet networks ____.

A cryptographic algorithm is a word,number,or phrase that must be known to encrypt or decrypt a message.

A(n)____________________ address is a series of numbers,such as 204.127.55.1,used to identify a network device.

____ software may be used by personal computer users when they want to encrypt e-mail or other documents.

Data in a(n)wired network travels without the use of network cables._________________________

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Systems with less capacity,such as dial-up Internet access

A wireless ad hoc network uses a centralized broadcasting device,such as a wireless access point or router._________________________

A(n)____________________ is the name of a wireless network.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -A word,number,or phrase that must be known to decrypt or encrypt a message

Which of the following is NOT true?

MATCHING Identify the letter of the choice that best matches the phrase or definition. -Also called radio waves

Thomas is a network expert, having mastered the finer points of network structure, topology, and geographical scope. He has built many different types of networks at home, school, and work. He is now designing a home network for his friend. -Thomas's friend has asked that the network be configured such that,if he has photos on his tablet computer and wants to transfer them to his desktop computer,he can do so easily.What capability is Thomas's friend looking for?

-In the accompanying figure,IWC-guest is a(n)secure network._________________________

A Wi-Fi network transmits data as radio waves over ____ frequencies.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -The transmission capacity of a communications channel

A ____ is a physical path or a frequency used for signal transmissions.

High-bandwidth communications systems are sometimes referred to as ____.

If there are not unsecured networks in an area,networks with ____________________ encryption are the easiest to breach.